:root {
  color-scheme: light;
  --bg: #f5f0e6;
  --surface: #fffdf8;
  --surface-soft: #f8f3ea;
  --line: #d8d0c3;
  --line-strong: #c5baa8;
  --ink: #1e1a15;
  --muted: #6d6458;
  --accent: #006c67;
  --accent-soft: #dbf0ed;
  --danger: #9c3829;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body {
  padding: 18px;
}

button,
input,
select {
  font: inherit;
}

button,
.header-link {
  min-height: 40px;
  padding: 0 14px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: var(--surface);
  color: var(--ink);
  text-decoration: none;
}

button:hover,
.header-link:hover {
  border-color: var(--accent);
}

button:disabled {
  opacity: 0.55;
  cursor: default;
}

.review-header,
.review-toolbar,
.review-statusbar,
.word-list,
.detail-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
}

.review-header,
.review-statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
}

.review-header {
  margin-bottom: 12px;
}

.review-eyebrow {
  margin: 0 0 4px;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
}

.review-header h1 {
  margin: 0;
  font-size: 1.5rem;
  line-height: 1.1;
}

.review-subtitle {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.review-shell {
  display: grid;
  gap: 12px;
}

.review-toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 2.4fr) repeat(7, minmax(120px, 1fr));
  gap: 10px;
  padding: 14px;
}

.field {
  display: grid;
  gap: 6px;
}

.field span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.field input,
.field select {
  width: 100%;
  min-height: 42px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}

.field input:focus,
.field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgb(0 108 103 / 14%);
  outline: none;
}

.review-statusbar {
  flex-wrap: wrap;
}

.review-status,
.review-summary {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.review-status.is-error {
  color: var(--danger);
}

.review-layout {
  display: grid;
  grid-template-columns: minmax(320px, 380px) minmax(0, 1fr);
  gap: 12px;
  align-items: start;
}

.review-sidebar,
.review-main {
  min-width: 0;
}

.review-sidebar {
  display: grid;
  gap: 10px;
}

.word-list {
  display: grid;
  gap: 8px;
  min-height: 360px;
  max-height: calc(100vh - 292px);
  overflow: auto;
  padding: 8px;
  align-content: start;
}

.word-empty {
  margin: 0;
  padding: 18px 14px;
  color: var(--muted);
  text-align: center;
}

.word-button {
  display: grid;
  gap: 6px;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  text-align: left;
}

.word-button.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.word-topline,
.word-subline,
.word-meta {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.word-surface {
  font-size: 1rem;
  font-weight: 800;
  line-height: 1.25;
}

.word-count,
.word-reading,
.word-tags,
.section-meta,
.example-meta,
.detail-meta,
.detail-grid dt {
  color: var(--muted);
}

.word-meaning {
  font-size: 0.92rem;
  line-height: 1.35;
}

.word-reading,
.word-count,
.word-tags,
.example-meta,
.detail-meta,
.detail-grid dt,
.detail-grid dd,
.section-meta {
  font-size: 0.8rem;
}

.pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.pager p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.detail-card {
  display: grid;
  gap: 18px;
  padding: 18px;
  position: sticky;
  top: 18px;
  max-height: calc(100vh - 36px);
  overflow: auto;
}

.detail-card[hidden] {
  display: none;
}

.detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.detail-surface,
.detail-meaning,
.detail-meta {
  margin: 0;
}

.detail-surface {
  font-size: 1.7rem;
  font-weight: 900;
  line-height: 1.1;
}

.detail-meaning {
  margin-top: 6px;
  font-size: 1rem;
  font-weight: 700;
}

.detail-meta {
  margin-top: 8px;
}

.detail-badges,
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.detail-badge,
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-soft);
  font-size: 0.8rem;
  font-weight: 700;
}

.detail-section {
  display: grid;
  gap: 12px;
}

.detail-section h2 {
  margin: 0;
  font-size: 1rem;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.section-head h2,
.section-head p {
  margin: 0;
}

.detail-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 14px;
  margin: 0;
}

.detail-grid div {
  display: grid;
  gap: 4px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-soft);
}

.detail-grid dd {
  margin: 0;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 700;
  line-height: 1.35;
  word-break: break-word;
}

.example-list {
  display: grid;
  gap: 10px;
}

.example-empty {
  margin: 0;
  padding: 14px;
  border: 1px dashed var(--line);
  border-radius: 10px;
  color: var(--muted);
  text-align: center;
}

.example-card {
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-soft);
}

.example-card p {
  margin: 0;
}

.example-occurrence {
  font-size: 0.82rem;
  font-weight: 700;
}

.example-ja {
  font-size: 1rem;
  line-height: 1.5;
}

.example-ko {
  color: var(--muted);
  line-height: 1.45;
}

@media (max-width: 1120px) {
  .review-toolbar {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .field-search {
    grid-column: 1 / -1;
  }
}

@media (max-width: 900px) {
  body {
    padding: 12px;
  }

  .review-header,
  .review-statusbar {
    padding: 14px;
  }

  .review-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .word-list {
    max-height: none;
  }

  .detail-card {
    position: static;
    max-height: none;
  }
}

@media (max-width: 640px) {
  .review-toolbar {
    grid-template-columns: minmax(0, 1fr);
  }

  .detail-header,
  .section-head,
  .review-header,
  .review-statusbar,
  .word-topline,
  .word-subline,
  .word-meta {
    flex-direction: column;
    align-items: flex-start;
  }

  .detail-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}